BioStacks
Best for
Ingredients (2)
Spirulina
100%Dose
3000 mg
Target
1000–3000 mg
Form
—
Iron
3 mgTrace amount — not scored
Nutrition
Calories, macros & sodium.
- Sodium60 mg
Other Ingredients (3)
InulinFiller
Prebiotic soluble fiber from chicory root, used as a filler and flow agent in capsules and tablets
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
How to Take It
Take it anytime
Timing doesn't matter for this one — taking it consistently does.
With or without food
On the label
Take 3 tablets daily with or between meals.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$23.49
Near the median of 160 iron supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.